Delete orphaned uma metric MPArch.RWH_DidUpdateBackingStore.

Delete orphaned uma metric MPArch.RWH_DidUpdateBackingStore.

This isn't in histograms.xml so nothing is done with it.

BUG=642284
Review-Url: https://codereview.chromium.org/2836413002
Cr-Commit-Position: refs/heads/master@{#467359}
Committed: https://chromium.googlesource.com/chromium/src/+/fd927edcf1208e1ddd26faed7dfdcba6daca133c

[Elliot Glaysher, 2017-04-25 22:13:27]

The CQ bit was checked by erg@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2017-04-25 22:14:20]

Dry run: CQ is trying da patch.

Follow status at:
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[Elliot Glaysher, 2017-04-25 22:22:06]

The CQ bit was checked by erg@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2017-04-25 22:22:59]

Dry run: CQ is trying da patch.

Follow status at:
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-04-25 23:27:56]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2017-04-25 23:27:57]

Dry run: This issue passed the CQ dry run.

[Elliot Glaysher, 2017-04-25 23:31:39]

erg@chromium.org changed reviewers:
+ jam@chromium.org

[jam, 2017-04-26 00:20:52]

lgtm

[Elliot Glaysher, 2017-04-26 17:11:54]

The CQ bit was checked by erg@chromium.org

[commit-bot: I haz the power, 2017-04-26 17:12:33]

CQ is trying da patch.

Follow status at:
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-04-26 17:16:43]

CQ is committing da patch.

Bot data: {"patchset_id": 20001, "attempt_start_ts": 1493226714110490,
"parent_rev": "7a95a1108363087664577710b765c9302e8e09bb", "commit_rev":
"fd927edcf1208e1ddd26faed7dfdcba6daca133c"}

[commit-bot: I haz the power, 2017-04-26 17:16:52]

Description was changed from

==========
Delete orphaned uma metric MPArch.RWH_DidUpdateBackingStore.

This isn't in histograms.xml so nothing is done with it.

BUG=642284
==========

to

==========
Delete orphaned uma metric MPArch.RWH_DidUpdateBackingStore.

This isn't in histograms.xml so nothing is done with it.

BUG=642284

Review-Url: https://codereview.chromium.org/2836413002
Cr-Commit-Position: refs/heads/master@{#467359}
Committed:
https://chromium.googlesource.com/chromium/src/+/fd927edcf1208e1ddd26faed7dfd...
==========

[commit-bot: I haz the power, 2017-04-26 17:16:53]

Committed patchset #2 (id:20001) as
https://chromium.googlesource.com/chromium/src/+/fd927edcf1208e1ddd26faed7dfd...